Finding the Fourth Proportional to 157,221,147.12, 216,981,327.72 and 94,517,544.97
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Solution
The fourth proportional to 157,221,147.12, 216,981,327.72 and 94,517,544.97 is: 130,443,917.86
Step by Step Solution
- Step 1: Write the proportion equation
157,221,147.12 : 216,981,327.72 = 94,517,544.97 : x - Step 2: Convert to fraction form
157,221,147.12/216,981,327.72 = 94,517,544.97/x - Step 3: Cross multiply
157,221,147.12x = 216,981,327.72 × 94,517,544.97 - Step 4: Simplify right side
157,221,147.12x = 20,508,542,400,425,408 - Step 5: Solve for x
x = 20,508,542,400,425,408/157,221,147.12 - Step 6: Final answer
x = 130,443,917.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.